DITEKSHEN_MALWARE_Win_Meterpreter

rule DITEKSHEN_MALWARE_Win_Meterpreter : FILE
{
	meta:
		description = "Detects Meterpreter payload"
		author = "ditekSHen"
		id = "d72fef80-d624-5e39-963a-8d7c12eb2d9c"
		date = "2020-11-06"
		modified = "2024-11-01"
		reference = "https://github.com/ditekshen/detection"
		source_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/yara/malware.yar#L3330-L3343"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "5226cd7bb2344b822ee94d75f81a523ff701778de97a32ae52c604a4855e960c"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$s1 = "PACKET TRANSMIT" fullword ascii
		$s2 = "PACKET RECEIVE" fullword ascii
		$s3 = "\\\\%s\\pipe\\%s" fullword ascii wide
		$s4 = "%04x-%04x:%s" fullword wide
		$s5 = "server.dll" fullword ascii

	condition:
		( uint16( 0 ) == 0x5a4d and all of them ) or ( filesize < 300KB and all of them )
}